A reinterpretation of the crustal N-isotope record: evidence for a N-15-enriched Archean atmosphere?
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Jia, Yiefei
Kerrich, Robert
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Blackwell Publishing Ltd
Abstract
A new compilation of N-isotope and abundance data for metasedimentary rocks, and hyrdothermal micas that proxy for bulk crust, show systematic patterns. (1) δ15N values of kerogen in Precambrian cherts are more negative relative to siliciclastic counterp
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Terra Nova